136664135224 has 8 divisors (see below), whose sum is σ = 256245253560. Its totient is φ = 68332067608.

The previous prime is 136664135219. The next prime is 136664135227. The reversal of 136664135224 is 422531466631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (136664135227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8541508444 + ... + 8541508459.

It is an arithmetic number, because the mean of its divisors is an integer number (32030656695).

Almost surely, 2^136664135224 is an apocalyptic number.

It is an amenable number.

136664135224 is a deficient number, since it is larger than the sum of its proper divisors (119581118336).

136664135224 is a wasteful number, since it uses less digits than its factorization.

136664135224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17083016909 (or 17083016905 counting only the distinct ones).

The product of its digits is 622080, while the sum is 43.

The spelling of 136664135224 in words is "one hundred thirty-six billion, six hundred sixty-four million, one hundred thirty-five thousand, two hundred twenty-four".